Monolithic Power Systems, Inc.
MPWR- Exchange
- Nasdaq
- Industry
- Semiconductors & Related Devices
- SEC CIK
- 0001280452
In the last 90 days, Monolithic Power Systems, Inc. insiders filed 0 open-market purchases and 9 sales; 1,250 institutions reported holding it in 13F filings for Q2 2026, worth $65.6B in total; superinvestors D1 Capital Partners and Maverick Capital hold it.
13F holders, Q1 2026
Institutional positions in Monolithic Power Systems, Inc. as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 1,124
- +80 vs. Q4 2025
- Shares held
- 47.3M
- +5.32M (+12.7%) vs. Q4 2025
- Total value
- $51.6B
- +$13.6B (+35.9%) vs. Q4 2025
- New holders
- 181
- 384 more added
- Sold out
- 101
- 408 more reduced
17 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting MPWR on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 1,250 | $65.6B |
| Q1 2026 | 1,124 | $51.6B |
| Q4 2025 | 1,061 | $44.2B |
| Q3 2025 | 981 | $43.0B |
| Q2 2025 | 907 | $34.6B |
| Q1 2025 | 862 | $27.0B |
| Q4 2024 | 864 | $27.6B |
| Q3 2024 | 885 | $42.8B |
| Q2 2024 | 838 | $38.6B |
| Q1 2024 | 807 | $31.2B |
| Q4 2023 | 737 | $28.6B |
| Q3 2023 | 655 | $21.2B |
| Q2 2023 | 652 | $25.2B |
| Q1 2023 | 669 | $23.3B |
| Q4 2022 | 611 | $16.5B |
| Q3 2022 | 630 | $16.6B |
| Q2 2022 | 625 | $16.8B |
| Q1 2022 | 611 | $21.3B |
| Q4 2021 | 627 | $21.5B |
| Q3 2021 | 579 | $21.1B |
| Q2 2021 | 533 | $16.1B |
| Q1 2021 | 530 | $15.1B |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Monolithic Power Systems, Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Raiffeisen Bank International AG | 2,510 | $2.52M | 0.04% | −77,315−96.9% | Reduced |
| Holocene Advisors, LP | 2,303 | $2.52M | 0.01% | +2,303 | New |
| Maryland State Retirement & Pension System | 2,308 | $2.52M | 0.05% | 00.0% | Unchanged |
| Valley National Advisers Inc | 2,312 | $2.53M | 0.33% | +11+0.5% | Added |
| Harbour Trust & Investment Management Co | 2,338 | $2.56M | 0.27% | +2,338 | New |
| Commerzbank Aktiengesellschaft | 2,344 | $2.56M | 0.05% | +2,014+610.3% | Added |
| Brinker Capital Investments, LLC | 2,420 | $2.65M | 0.02% | −387−13.8% | Reduced |
| Captrust Financial Advisors | 2,423 | $2.65M | 0.00% | +1,171+93.5% | Added |
| Westerkirk Capital Inc. | 2,424 | $2.65M | 0.29% | −120−4.7% | Reduced |
| Prevail Innovative Wealth Advisors, LLC | 2,445 | $2.67M | 0.45% | +2,445 | New |
| Diversify Wealth Management, LLC | 1,761 | $2.69M | 0.05% | +1,761 | New |
| Northwestern Mutual Wealth Management Co | 2,483 | $2.71M | 0.00% | +178+7.7% | Added |
| Deeter Investments LLP | 2,500 | $2.73M | 0.48% | +2,500 | New |
| Allworth Financial LP | 2,610 | $2.85M | 0.01% | +2,295+728.6% | Added |
| Ketron Financial | 2,616 | $2.86M | 1.02% | 00.0% | Unchanged |
| Fideuram Asset Management (Ireland) dac | 2,826 | $2.93M | 0.37% | −1,569−35.7% | Reduced |
| Prudential PLC | 2,681 | $2.93M | 0.02% | +464+20.9% | Added |
| First National Advisers, LLC | 2,695 | $2.95M | 0.43% | −396−12.8% | Reduced |
| Investors Towarzystwo Funduszy Inwestycyjnych Spolka Akcyjna | 2,723 | $2.98M | 1.23% | −735−21.3% | Reduced |
| Stiles Financial Services Inc | 2,769 | $3.03M | 0.93% | −8−0.3% | Reduced |
| Hartford Investment Management Co | 2,774 | $3.03M | 0.10% | +8+0.3% | Added |
| M&T Bank Corp | 2,806 | $3.07M | 0.01% | +54+2.0% | Added |
| Peapack Gladstone Financial Corp | 2,823 | $3.09M | 0.04% | +4+0.1% | Added |
| Sequoia Financial Advisors, LLC | 2,859 | $3.13M | 0.02% | +171+6.4% | Added |
| E Fund Management Co., Ltd. | 2,912 | $3.18M | 0.09% | +2,912 | New |
| ABN AMRO Bank N.V. | 2,930 | $3.19M | 0.03% | +2,930 | New |
| Equitable Holdings, Inc. | 3,060 | $3.19M | 0.02% | +2,206+258.3% | Added |
| GKV Capital Management Co., Inc. | 2,940 | $3.21M | 1.21% | +30+1.0% | Added |
| Wasatch Advisors Inc | 2,942 | $3.22M | 0.02% | −989−25.2% | Reduced |
| Mizuho Securities USA LLC | 2,945 | $3.22M | 0.08% | −543−15.6% | Reduced |
| Nomura Holdings Inc | 2,949 | $3.22M | 0.03% | −8,281−73.7% | Reduced |
| Havemeyer Place LP | 2,953 | $3.23M | 0.37% | +2,953 | New |
| Mirabella Financial Services LLP | 2,955 | $3.23M | 0.31% | +2,528+592.0% | Added |
| First National Bank of Omaha | 2,967 | $3.24M | 0.10% | −43−1.4% | Reduced |
| Left Brain Wealth Management, LLC | 2,973 | $3.25M | 1.28% | +2,141+257.3% | Added |
| Envestnet Portfolio Solutions, Inc. | 2,987 | $3.27M | 0.02% | −1,287−30.1% | Reduced |
| Fideuram - Intesa Sanpaolo Private Banking S.P.A. | 2,991 | $3.27M | 0.11% | −193−6.1% | Reduced |
| Rockefeller Capital Management L.P. | 2,998 | $3.28M | 0.01% | +209+7.5% | Added |
| Wealth Enhancement Advisory Services, LLC | 13,124 | $3.28M | 0.01% | +9,398+252.2% | Added |
| Merit Financial Group, LLC | 3,098 | $3.39M | 0.03% | +341+12.4% | Added |
| IMC-Chicago, LLC | 3,131 | $3.42M | 0.05% | +3,131 | New |
| Advisors Asset Management, Inc. | 3,141 | $3.43M | 0.06% | +31+1.0% | Added |
| Paragon Advisors, LLC | 3,156 | $3.45M | 0.93% | −140−4.2% | Reduced |
| Peak Retirement Planning, Inc. | 3,162 | $3.46M | 0.71% | +121+4.0% | Added |
| Modern Wealth Management, LLC | 3,105 | $3.48M | 0.06% | −71−2.2% | Reduced |
| Baker Avenue Asset Management, LP | 3,215 | $3.52M | 0.08% | +33+1.0% | Added |
| Colony Group, LLC | 3,099 | $3.54M | 0.00% | −10,753−77.6% | Reduced |
| BLB&B Advisors, LLC | 3,257 | $3.56M | 0.15% | −6,026−64.9% | Reduced |
| Values First Advisors, Inc. | 3,278 | $3.58M | 1.87% | +10.0% | Added |
| Harfst & Associates, Inc. | 3,288 | $3.59M | 0.64% | −30−0.9% | Reduced |
| Pinkerton Retirement Specialists, LLC | 3,982 | $3.61M | 0.33% | +316+8.6% | Added |
| Coldstream Capital Management Inc | 3,342 | $3.65M | 0.05% | −1,525−31.3% | Reduced |
| Park Avenue Securities LLC | 3,343 | $3.65M | 0.03% | −744−18.2% | Reduced |
| PFG Advisors | 3,344 | $3.66M | 0.18% | −186−5.3% | Reduced |
| Leelyn Smith, LLC | 3,345 | $3.66M | 0.51% | −74−2.2% | Reduced |
| Evolve Private Wealth, LLC | 3,353 | $3.67M | 0.20% | +39+1.2% | Added |
| Skopos Labs, Inc. | 3,369 | $3.68M | 0.12% | +359+11.9% | Added |
| Intrust Bank NA | 3,371 | $3.69M | 0.30% | −22−0.6% | Reduced |
| Cambridge Investment Research Advisors, Inc. | 3,416 | $3.73M | 0.01% | +300+9.6% | Added |
| Illinois Municipal Retirement Fund | 3,428 | $3.75M | 0.05% | +3,428 | New |
| Thrive Capital Management, LLC | 3,439 | $3.76M | 0.82% | −301−8.0% | Reduced |
| Sterling Capital Management LLC | 3,485 | $3.81M | 0.07% | +3,035+674.4% | Added |
| Oak Harvest Investment Services | 3,553 | $3.88M | 0.41% | +12+0.3% | Added |
| MV Capital Management, Inc. | 3,567 | $3.90M | 0.38% | −104−2.8% | Reduced |
| Pensionmark Financial Group, LLC | 3,576 | $3.91M | 0.06% | −211−5.6% | Reduced |
| Greenup Street Wealth Management LLC | 3,605 | $3.94M | 0.55% | −1,164−24.4% | Reduced |
| Tower Research Capital LLC (TRC) | 3,614 | $3.95M | 0.10% | −5,816−61.7% | Reduced |
| Guardian Capital LP | 3,615 | $3.95M | 0.10% | +3,034+522.2% | Added |
| Eurizon SLJ Capital Ltd | 3,984 | $3.99M | 1.90% | −1,684−29.7% | Reduced |
| Integrated Wealth Concepts LLC | 3,686 | $4.03M | 0.03% | +3,686 | New |
| Torray LLC | 3,707 | $4.05M | 0.59% | −542−12.8% | Reduced |
| Triasima Portfolio Management inc. | 3,707 | $4.05M | 0.61% | +10+0.3% | Added |
| Gulf International Bank (UK) Ltd | 3,714 | $4.06M | 0.09% | +1,268+51.8% | Added |
| Wiley Bros.-Aintree Capital, LLC | 3,765 | $4.09M | 0.02% | −576−13.3% | Reduced |
| HighTower Advisors, LLC | 3,772 | $4.12M | 0.00% | −622−14.2% | Reduced |
| Teachers Retirement System of the State of Kentucky | 3,806 | $4.16M | 0.03% | 00.0% | Unchanged |
| Hennion & Walsh Asset Management, Inc. | 3,914 | $4.28M | 0.14% | +61+1.6% | Added |
| Groupe la Francaise | 3,992 | $4.36M | 0.06% | −1,766−30.7% | Reduced |
| Brasada Capital Management, LP | 3,704 | $4.37M | 0.80% | −235−6.0% | Reduced |
| 4D Advisors, LLC | 4,000 | $4.37M | 2.77% | 00.0% | Unchanged |
| Private Advisor Group, LLC | 4,077 | $4.46M | 0.02% | −530−11.5% | Reduced |
| Connective Capital Management, LLC | 4,105 | $4.49M | 3.71% | +4,105 | New |
| Global X Japan Co., Ltd. | 4,150 | $4.54M | 0.23% | +144+3.6% | Added |
| MML Investors Services, LLC | 4,164 | $4.55M | 0.01% | −1,033−19.9% | Reduced |
| Kornitzer Capital Management Inc | 4,177 | $4.57M | 0.10% | −1,050−20.1% | Reduced |
| Lazard Asset Management LLC | 4,210 | $4.60M | 0.01% | −19,573−82.3% | Reduced |
| Omers Administration Corp | 4,249 | $4.65M | 0.03% | +2,234+110.9% | Added |
| Summit Trail Advisors, LLC | 4,325 | $4.73M | 0.07% | +491+12.8% | Added |
| BI Asset Management Fondsmaeglerselskab A/S | 4,335 | $4.74M | 0.05% | −1,787−29.2% | Reduced |
| Avanza Fonder AB | 4,340 | $4.75M | 0.13% | −73−1.7% | Reduced |
| Calamos Advisors LLC | 4,368 | $4.78M | 0.02% | +1,478+51.1% | Added |
| NFJ Investment Group, LLC | 4,375 | $4.78M | 0.18% | 00.0% | Unchanged |
| Indivisible Partners | 4,378 | $4.79M | 0.42% | +4,378 | New |
| Capitolis Liquid Global Markets LLC | 4,391 | $4.80M | 0.03% | +4,391 | New |
| HB Wealth Management, LLC | 4,395 | $4.81M | 0.03% | −1,669−27.5% | Reduced |
| ASR Vermogensbeheer N.V. | 4,472 | $4.89M | 0.06% | +83+1.9% | Added |
| KP Management LLC | 4,500 | $4.92M | 1.41% | −1,000−18.2% | Reduced |
| Arosa Capital Management LP | 4,500 | $4.92M | 3.20% | +4,500 | New |
| Trilogy Capital Inc. | 4,503 | $4.92M | 0.22% | +289+6.9% | Added |
| Commonwealth Equity Services, LLC | 4,536 | $4.96M | 0.01% | −1,191−20.8% | Reduced |